A SysOps administrator is examining the following AWS CloudFormation template: Why will the stack creation fail?

The correct answer is C. The PrivateDnsName cannot be set from a CloudFormation template. https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ec2- Only available is PrivateDnsNameOptions.

Submitted by tyler.j· Mar 30, 2026Deployment, Provisioning, and Automation

Question

A SysOps administrator is examining the following AWS CloudFormation template:

Why will the stack creation fail?

Exhibit

Options

AThe Outputs section of the CloudFormation template was omitted.
BThe Parameters section of the CloudFormation template was omitted.
CThe PrivateDnsName cannot be set from a CloudFormation template.
DThe VPC was not specified in the CloudFormation template.

How the community answered

(24 responses)

A
13% (3)
B
4% (1)
C
79% (19)
D
4% (1)

Explanation

https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ec2- Only available is PrivateDnsNameOptions.

Topics

#CloudFormation#PrivateDnsName#template validation#EC2 attributes

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